Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Allison Maas

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1518777689

Allison Maas is a Nurse Practitioner in Sterling, Illinois. Qualified in 2023, 3 years ago. Practices with Cgh Medical Center, a 201-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
3
Licensed in
IL
In the registry since
2025

Practice location Address checks out

100 E Lefevre Rd
Sterling, IL 61081-1278
Phone: (815) 625-0400
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 209033254 (IL)

Record details

NPI number1518777689
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJanuary 10, 2025
Last updated in NPPESJanuary 9, 2026
Certification dateJanuary 9, 2026
Mailing address1029 Dunham Dr, Dubuque, IA 52001-3130

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Cgh Medical Center — 201 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Sterling